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Commit 8270bec4 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
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libata: fix n_sectors failure handling during revalidation 



If revalidation fails because device has different n_sectors after
configuration the original n_sectors should be restored before failing
revalidation.  Without this fix, n_sectors difference will incorrectly
and silently pass revalidation when revalidation is retried.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Acked-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent b377fd39

drivers/ata/libata-core.c

+4 −0
Original line number Diff line number Diff line
@@ -3705,6 +3705,10 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int readid_flags) 
			       "%llu != %llu\n",

			       (unsigned long long)n_sectors,

			       (unsigned long long)dev->n_sectors);



		/* restore original n_sectors */

		dev->n_sectors = n_sectors;



		rc = -ENODEV;

		goto fail;

	}